% GAUTIER LE BIHAN - 2020
% Replication files for “Shocks vs Menu Costs: Patterns of Price Rigidity in an Estimated Multi-Sector Menu-Cost Model�? –Review of Economics and Statistics
%
% Estimates Menu cost model with SMM for each secto in turn 
% Produce input for table 3 Panel B

clear all
close all
clear matrix
clc
addpath('..\..\Utilities')  
load actual_moments_k

load param
param0=param;

 for jj=1:227;
     
    %p00 =param0(jj,1);%param0(jj,1);  
     mu_c0 =param0(jj,1) ;
     sig_eps_a0=param0(jj,2);%param0(jj,3);
     
weight_j=actual_moments_k(jj,12)/100;

%p0_init = p00;
mu_c_init = mu_c0;
sig_eps_a_init = sig_eps_a0;
%rho_a_init = 0;


% Adjustement of initial search area (beyond 5 percent)

power_p0 = 1.0;
power_mu_c = 1.;
power_sig_eps_a = 1.;
power_rho_a = 1;

% save SMM

% create vector for initial parameter values
vec0 = [mu_c0; sig_eps_a0];
vec0
% Keep track of results
conv_SMM = zeros(0,3);
xopt_SMM = 100000; % start iteration
conv_opt = zeros(3,6);
SMM_count = 0; % counter

% tolerance level
tol_SMM = 5e-3;



save('SMM','vec0','mu_c0','sig_eps_a0',...
    'mu_c_init','sig_eps_a_init',...
   'power_mu_c','power_sig_eps_a',...
    'conv_SMM','xopt_SMM','conv_opt','SMM_count',...
    'tol_SMM','-append', 'weight_j')
% 'power_phi','phi_init','phi0'

%% Options
%  Display, TolX, TolFun, MaxFunEvals

%% Set calibration target
% std.Y, autocorr(Y), frequency of default:
moment1 = actual_moments_k(jj,2);
moment2 = actual_moments_k(jj,3);
moment3 = actual_moments_k(jj,4);
moment4 = actual_moments_k(jj,5); 
moment5 = actual_moments_k(jj,6);

target = [moment1; moment2; moment3; moment4; moment5];
scale=[actual_moments_k(jj,7:11)'];
scale=scale.*scale*1000
save('SMM','target', 'scale','-append')
%% Start minimization routine 

%  options = optimset('MaxIter',20);%, 'TolX', 1e-4,'Tolfun', 1e-3);
%  options = optimset('TolX', 1e-4,'Tolfun', 1e-3);
options = optimset('MaxFunEvals',100);
[x,fval, exiflag] = fminsearch(@SMMmain,vec0, options);

param(jj,:)=[x' fval exiflag target' ]

 
  save param param;

end